FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person *   SC US (TTGP), LTD. 2. Date of Event Requiring Statement (Month/Day/Year) 11/18/2015 3. Issuer Name and Ticker or Trading Symbol Square, Inc. [SQ] (Last) (First) (Middle) C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD, SUITE 101 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) MENLO PARK, CA 94025 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series B-2 Preferred Stock	  (1)	  (1)	Common Stock (2)	13,899,110	$ (1)	I	By Sequoia Capital U.S. Venture 2010 Fund, LP (3)
Series B-2 Preferred Stock	  (1)	  (1)	Common Stock (2)	1,520,930	$ (1)	I	By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP (3)
Series B-2 Preferred Stock	  (1)	  (1)	Common Stock (2)	308,270	$ (1)	I	By Sequoia Capital U.S. Venture 2010 Partners Fund, LP (3)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SC US (TTGP), LTD. C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK, CA 94025	Â	  X	Â	Â
SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK, CA 94025	Â	  X	Â	Â
Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK, CA 94025	Â	  X	Â	Â
Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK, CA 94025	Â	  X	Â	Â
SC U.S. VENTURE 2010 MANAGEMENT, L.P. C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK, CA 94025	Â	  X	Â	Â

Signatures

/s/ Jason Gao, by power of attorney for Roelof F. Botha, a Director of SC US (TTGP), Ltd.		11/18/2015
**Signature of Reporting Person		Date
/s/ Jason Gao, by power of attorney for Roelof F. Botha, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture 2010 Management, L.P., the General Partner of Sequoia Capital U.S. Venture 2010 Fund LP		11/18/2015
**Signature of Reporting Person		Date
/s/ Jason Gao, by power of attorney for Roelof F. Botha, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture 2010 Management, L.P., the General Partner of Sequoia Capital U.S. Venture 2010 Partners Fund LP		11/18/2015
**Signature of Reporting Person		Date
/s/ Jason Gao, by power of attorney for Roelof F. Botha, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture 2010 Management, L.P., the General Partner of Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP		11/18/2015
**Signature of Reporting Person		Date
/s/ Jason Gao, by power of attorney for Roelof F. Botha, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture 2010 Management, L.P.		11/18/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The Series B-2 Preferred Stock is convertible into Common Stock on a 1:1 basis and has no expiration date. Immediately prior to the consummation of the Issuer's initial public offering, all shares of Series B-2 Preferred Stock will be converted into shares of Common Stock of the Issuer.
(2)	Each share of Common Stock shall be reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.
(3)	SC US (TTGP), Ltd. ("SC US TTGP") is the sole general partner of SC U.S. Venture 2010 Management, L.P. ("SC USV 2010 MGMT"), which is the sole general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund, LP and Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP. As a result, SC US TTGP and SC USV 2010 MGMT may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund, LP and Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
  Remarks: Exhibit 24 - Power of Attorney

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